Home / 38,817.20-58,222.56-20,077.04

Finding the Fourth Proportional to 38,817.20, 58,222.56 and 20,077.04

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Solution

The fourth proportional to 38,817.20, 58,222.56 and 20,077.04 is: 30,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.20 : 58,222.56 = 20,077.04 : x
  2. Step 2: Convert to fraction form
    38,817.20/58,222.56 = 20,077.04/x
  3. Step 3: Cross multiply
    38,817.20x = 58,222.56 × 20,077.04
  4. Step 4: Simplify right side
    38,817.20x = 1,168,936,666.02
  5. Step 5: Solve for x
    x = 1,168,936,666.02/38,817.20
  6. Step 6: Final answer
    x = 30,113.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.